To Reassure and Educate Pregnant Patients About Changes in Their

To reassure and educate pregnant patients about changes in their breasts,nurses should be aware that:

A) the visibility of blood vessels that form an intertwining blue network indicates full function of Montgomery's tubercles and possibly infection of the tubercles.
B) the mammary glands do not develop until 2 weeks before labor.
C) lactation is inhibited until the estrogen level declines after birth.
D) colostrum is the yellowish oily substance used to lubricate the nipples for breastfeeding.